Pressure Transmitter Connection & Wiring Get the lowdown on Pressure Transmitters and their connection to PLC systems! Pressure Transmitters, often mistaken for transducers, are analog devices vital for accurate pressure measurement in industrial applications. They require a power supply to operate. With 2-wire and 4-wire options available, these transmitters provide power and transmit signals to the PLC. It's essential to understand their wiring setup and power requirements for seamless integra